无文本的C# iTextSharp条形码Code128

using System;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.pdf.Barcode;

class Program
{
    static void Main(string[] args)
    {
        // 创建PDF文档
        Document document = new Document();

        // 设置PDF输出路径
        string outputPath = "output.pdf";
        PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(outputPath, FileMode.Create));

        // 打开PDF文档
        document.Open();

        // 创建Code128条形码
        Barcode128 barcode = new Barcode128();
        barcode.Code = "1234567890"; // 设置条形码内容
        barcode.StartStopText = false; // 设置是否显示起始和终止字符

        // 将条形码添加到PDF文档
        Image image = barcode.CreateImageWithBarcode(writer.DirectContent, BaseColor.BLACK, BaseColor.BLACK);
        document.Add(image);

        // 关闭PDF文档
        document.Close();

        Console.WriteLine("Code128条形码已生成并保存为PDF文件：" + outputPath);
    }
}